Re: GPIO software design question
Bryan Armstrong <bryan.armstrong-6tN4nzCoH/[email protected]>
| Newsgroups | gmane.comp.hardware.microcontrollers.tini |
|---|---|
| Message-ID | <[email protected]> |
Venelin Efremov wrote: > On board CPLD won't help you much, since it has no clock input., so you can > not load 8 bits and expect it to send them automatically. > Writing in ASM is the key, I managed to get around 1MBps using double clock > speed. > > ~Venelin It is possible to use ALE which comes in on IO22 from the TINIs400 schematic for the CPLD clock. The ALE signal is 1/4, 1/2, or 1/1 of the CPU crystal frequency depending on if you single, double, or quadruple it internally on the DS80C400. -- -- Bryan Armstrong bryan.armstrong-6tN4nzCoH/[email protected] _______________________________________________ TINI mailing list TINI-6tN4nzCoH/[email protected] To UNSUBSCRIBE, edit your profile, or see list archives: http://lists.dalsemi.com/mailman/listinfo/tini